OK, I’ve found out what I have to do. (PE Pro, v2.3; iPad 2, iOS 7.1)
The maps were not updated. The Info Window has the note “Saved for offline use.” Wrong. When I tap the View button,and PE Pro shows me that map, the map begins updating. The note below the map name (in it’s Info Window) changes from “Saved…” to “Downloading (XX.X%)” and the download proceeds. Rather slowly, in some cases, as the load on the PE server changes, I assume.
Maybe I missed something somewhere. This seems a not very informative system. I like having the opportunity to choose which maps I’m going to update, individually. My datacap at my home ISP would never allow me to do a 4gb download in one go! But having no idea which maps are downloaded/updated is not good.
At the very least, after “deleting” the actual data of My Maps, the notice should have changed from “Saved…” to “Not Saved…” At the best, to maintain consistency with the rest of the interface, there should be a Saved Star between the Delete and View buttons that changes from outline to filled as relevant.